18882747

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2339}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12566853

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2339, 2691, 7017, 8073, 21051, 30407, 53797, 63153, 91221, 161391, 273663, 484173, 699361, 820989, 1452519, 2098083, 6294249, 18882747]

約数ペア:

[(1, 18882747), (3, 6294249), (9, 2098083), (13, 1452519), (23, 820989), (27, 699361), (39, 484173), (69, 273663), (117, 161391), (207, 91221), (299, 63153), (351, 53797), (621, 30407), (897, 21051), (2339, 8073), (2691, 7017)]